Home Postcode finder NT Gray Gray postcode NT Gray is a locality in Northern Territory covered by postcode 0830. Postcode 0830 State or territory Northern Territory (NT) Region Darwin Add a free Gray business listing More business listings in Gray Businesses in GrayGood Shepherd Lutheran CollegeEmery Ave · 08 89830300Gray Primary School22 Victoria Dr · 08 89321700 Common questionsWhat is the postcode for Gray?Gray, NT has the postcode 0830.What state is Gray in?Gray is in Northern Territory (NT).Does postcode 0830 cover more than one suburb?Yes. Postcode 0830 covers 11 localities, so the postcode alone does not identify Gray. Browse other postcodes in Northern Territory , or widen the search to every Australian postcode.